NCP4686
THERMAL CHARACTERISTICS
Rating
Thermal Characteristics, XDFN6 1.2 x 1.2 mm
Thermal Resistance, Junction−to−Air
Thermal Characteristics, SOT23
Thermal Resistance, Junction−to−Air
Thermal Characteristics, SC−70
Thermal Resistance, Junction−to−Air
Symbol
RqJA
RqJA
RqJA
Value
250
238
263
Unit
°C/W
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
−40°C ≤ TA ≤ 85°C; VIN = VOUT(NOM) + 1 V, whichever is greater; IOUT = 1 mA, CIN = COUT = 0.1 mF, unless otherwise noted. Typical
values are at TA = +25°C.
Parameter
Test Conditions
Symbol
Min
Typ
Max Unit
Operating Input Voltage
Output Voltage
Output Voltage Temp. Coefficient
Line Regulation
TA = +25 °C
VOUT ≥ 1.0 V
VOUT < 1.0 V
−40°C ≤ TA ≤ 85°C
VOUT ≥ 1.0 V
VOUT < 1.0 V
−40°C ≤ TA ≤ 85°C
VOUT(NOM) + 0.5 V ≤ VIN ≤ 3.6 V, VIN ≥
1.3 V
VIN
VOUT
ΔVOUT /
ΔTA
LineReg
1.0
x0.992
−8
x0.983
−17
±60
0.10
3.6
V
x1.008
V
8
mV
x1.017
V
17
mV
ppm/°C
0.25
%/V
Load Regulation
Dropout Voltage
IOUT = 1 mA to 400 mA
IOUT = 400 mA
0.7 V ≤ VOUT <
0.8 V
LoadReg
VDO
25
45
mV
0.48 0.62
V
0.8 V ≤ VOUT <
0.9 V
0.40 0.54
0.9 V ≤ VOUT <
1.0 V
0.36 0.47
1.0 V ≤ VOUT <
1.2 V
0.32 0.45
1.2 V ≤ VOUT <
1.5 V
0.28 0.38
Output Current
Short Current Limit
Quiescent Current
Standby Current
CE Pin Threshold Voltage
Power Supply Rejection Ratio
Output Noise Voltage
Low Output N−channel Tr. On
Resistance
1.5 V ≤ VOUT
VOUT = 0 V
VCE = 0 V, TA = 25°C
CE Input Voltage “H”
CE Input Voltage “L”
VIN = VOUT + 1.0 V, ΔVIN = 0.2 Vpk−pk,
IOUT = 30 mA, f = 10 kHz
f = 10 Hz to 100 kHz, VOUT = 0.7 V,
IOUT = 30 mA
VIN = 2 V, VCE = 0 V, NCP4686D only
IOUT
ISC
IQ
ISTB
VCEH
VCEL
PSRR
VN
RLOW
0.22 0.31
400
mA
110
mA
48
75
mA
0.1
8.0
mA
0.9
V
0.4
60
dB
30
mVrms
43
W
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